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target-ppc: Move ppc tlb_fill implementation into mmu_helper.c 

For softmmu builds the interface from the generic code to the target
specific MMU implementation is through the tlb_fill() function.  For ppc
this is currently in mem_helper.c, whereas it would make more sense in
mmu_helper.c.  This patch moves it, which also allows
cpu_ppc_handle_mmu_fault() to become a local function in mmu_helper.c

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
David Gibson 2013-03-12 00:31:49 +00:00 committed by Alexander Graf
parent cc8eae8ac7
commit eb20c1c6da
3 changed files with 38 additions and 42 deletions
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2
target-ppc/cpu.h
View File

@ -1090,8 +1090,6 @@ int cpu_ppc_exec (CPUPPCState *s);
is returned if the signal was handled by the virtual CPU. */
int cpu_ppc_signal_handler (int host_signum, void *pinfo,
void *puc);
int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw,
int mmu_idx);
void ppc_hw_interrupt (CPUPPCState *env);
#if defined(CONFIG_USER_ONLY)
int cpu_handle_mmu_fault(CPUPPCState *env, target_ulong address, int rw,

38
target-ppc/mem_helper.c
View File

@ -252,41 +252,3 @@ STVE(stvewx, cpu_stl_data, bswap32, u32)
#undef HI_IDX
#undef LO_IDX
/*****************************************************************************/
/* Softmmu support */
#if !defined(CONFIG_USER_ONLY)
#define MMUSUFFIX _mmu
#define SHIFT 0
#include "exec/softmmu_template.h"
#define SHIFT 1
#include "exec/softmmu_template.h"
#define SHIFT 2
#include "exec/softmmu_template.h"
#define SHIFT 3
#include "exec/softmmu_template.h"
/* try to fill the TLB and return an exception if error. If retaddr is
NULL, it means that the function was called in C code (i.e. not
from generated code or from helper.c) */
/* XXX: fix it to restore all registers */
void tlb_fill(CPUPPCState *env, target_ulong addr, int is_write, int mmu_idx,
uintptr_t retaddr)
{
int ret;
ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx);
if (unlikely(ret != 0)) {
if (likely(retaddr)) {
/* now we have a real cpu fault */
cpu_restore_state(env, retaddr);
}
helper_raise_exception_err(env, env->exception_index, env->error_code);
}
}
#endif /* !CONFIG_USER_ONLY */

40
target-ppc/mmu_helper.c
View File

@ -1384,8 +1384,8 @@ static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address,
}
/* Perform address translation */
int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address, int rw,
int mmu_idx)
static int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address,
int rw, int mmu_idx)
{
mmu_ctx_t ctx;
int access_type;
@ -2777,3 +2777,39 @@ void helper_booke206_tlbflush(CPUPPCState *env, uint32_t type)
booke206_flush_tlb(env, flags, 1);
}
/*****************************************************************************/
#define MMUSUFFIX _mmu
#define SHIFT 0
#include "exec/softmmu_template.h"
#define SHIFT 1
#include "exec/softmmu_template.h"
#define SHIFT 2
#include "exec/softmmu_template.h"
#define SHIFT 3
#include "exec/softmmu_template.h"
/* try to fill the TLB and return an exception if error. If retaddr is
NULL, it means that the function was called in C code (i.e. not
from generated code or from helper.c) */
/* XXX: fix it to restore all registers */
void tlb_fill(CPUPPCState *env, target_ulong addr, int is_write, int mmu_idx,
uintptr_t retaddr)
{
int ret;
ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx);
if (unlikely(ret != 0)) {
if (likely(retaddr)) {
/* now we have a real cpu fault */
cpu_restore_state(env, retaddr);
}
helper_raise_exception_err(env, env->exception_index, env->error_code);
}
}